<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!-- 引入样式 -->
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
    <style>
        .c1{border:1px solid red;border-radius: 5px;height: 50px}
    </style>
</head>
<body>
<div id="app">
    <el-row>
        <el-col :span="24"><div class="c1"></div></el-col>
    </el-row>
    <el-row>
        <el-col :span="12"><div class="c1"></div></el-col>
        <el-col :span="12"><div class="c1"></div></el-col>
    </el-row>
    <el-row>
        <el-col :span="8"><div class="c1"></div></el-col>
        <el-col :span="8"><div class="c1"></div></el-col>
        <el-col :span="8"><div class="c1"></div></el-col>
    </el-row>
    <el-row>
        <el-col :span="6"><div class="c1"></div></el-col>
        <el-col :span="6"><div class="c1"></div></el-col>
        <el-col :span="6"><div class="c1"></div></el-col>
        <el-col :span="6"><div class="c1"></div></el-col>
    </el-row>
    <el-row>
        <el-col :span="4"><div class="c1"></div></el-col>
        <el-col :span="4"><div class="c1"></div></el-col>
        <el-col :span="4"><div class="c1"></div></el-col>
        <el-col :span="4"><div class="c1"></div></el-col>
        <el-col :span="4"><div class="c1"></div></el-col>
        <el-col :span="4"><div class="c1"></div></el-col>
    </el-row>

    <h1>居中</h1>
    <div style="width: 1200px;margin: 0 auto">
        <!--gutter="10"布局列之间的缝隙-->
        <el-row gutter="10">
            <el-col span="12"><div class="c1"></div> </el-col>
            <el-col span="12"><div class="c1"></div> </el-col>
        </el-row>
    </div>

    <div style="width: 1200px;margin: 0 auto">
        <!--gutter="10"布局列之间的缝隙-->
        <el-row gutter="15">
            <el-col span="4"><div class="c1"></div> </el-col>
            <el-col span="4"><div class="c1"></div> </el-col>
            <el-col span="8"><div class="c1"></div> </el-col>
            <el-col span="8"><div class="c1"></div> </el-col>
        </el-row>
    </div>
</div>
<!-- import Vue before Element -->
<script src="https://unpkg.com/vue@2/dist/vue.js"></script>
<!-- import JavaScript -->
<script src="https://unpkg.com/element-ui/lib/index.js"></script>
<script>
    let v=new Vue({
        el: '#app',
        data: function() {
            return {

            }
        },
        methods:{

        }
    })
</script>
</body>
</html>